Mumbai to Double Water Supply by 2030 with Two New Plants

14 May 2026 CW Team

Mumbai’s water supply is due to receive a boost of 3,000 million litres per day (MLD) by 2030 as the Brihanmumbai Municipal Corporation (BMC) plans two new water treatment plants at Bhandup and Panjrapur. The additional capacity will nearly double current potable supply, addressing a gap between demand of 4,300 MLD and present delivery of 3,850 MLD. The existing Bhandup filtration plant, commissioned in 1978, is currently the city’s sole treatment facility and has a maximum treatment capacity of 2,810 MLD.

BMC proposes that the upgraded Bhandup plant will be configured to treat 2,000 MLD while the new Panjrapur facility will add 910 MLD, jointly accounting for 3,000 MLD of treatment capacity. The combined cost of the two plants has been set at Rs 42.1 billion (bn) and the civic body aims to commission them by 2030. The project has been awarded to the French firm Veolia in partnership with Welspun.

The planned expansion forms part of a wider programme that includes a 400 MLD desalination plant and the 450 MLD Gargai dam project, which together are expected to deliver an additional 850 MLD from 2029. The BMC is also constructing seven sewage treatment plants at Worli, Dharavi, Bhandup, Ghatkopar, Bandra, Versova and Malad at a cost of Rs 277 bn to treat 2,464 MLD of wastewater, half of which or 1,232 MLD will be reused for potable processing.

Officials have indicated that the additional supplies and reclaimed water will require an upgraded filtration network so that the treatment chain can manage an estimated 5,132 MLD by 2030. The civic authority continues to implement supply reductions during summer months to avert shortages and has prioritised these infrastructure investments to meet projected urban demand and provide greater resilience in the distribution system.

Infrastructure Urban

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